Hairband



FIG. 1 is a perspective view of a hairband showing our new design in use, the broken line showing of the human form being for illustrative purposes only and forms no part of the claimed design;

FIG. 2 is a right or left side elevational view thereof;

FIG. 3 is a front or rear elevational view thereof; and,

FIG. 4 is a top or bottom plan view thereof. 

The ornamental design for a hairband, as shown and described. 